We have experimentally implemented a differential phase shift quantum-key distribution system with up-conversion detectors operating at a 2.5 Gbps clock rate. A Michelson interferometer with Faraday mirrors is used to increase the system stability.
© 2008 Optical Society of America
L. Ma, H. Xu, T. Chang, O. Slattery, and X. Tang, "Experimental Implementation of 1310-nm Differential Phase Shift QKD System with Up-Conversion Detectors," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, OSA Technical Digest (CD) (Optical Society of America, 2008), paper JTuA105.
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